Inspector Yusuf is being briefed on a new case - the death of two girls. Yusuf now wants Jamal and Johari to be working together to crack the case. Yusuf reunited with his old friend, Dr Azrul. Alyssa meets up with her friend, Aida. But after parting ways, Aida is kidnapped.

Aida is missing. Alyssa finds something amiss. Luna finally confesses something vital to Jamal. Just then Johari sees a guy, Dani, looking suspicious. Yusuf is called into HQ where he is informed there has been another girl reported missing. Yusuf reveals to Johari and Jamal his bigger purpose that is to find his missing sister, Maria.

Alyssa starts diving into Aida's social media. She finds a conversation between Aida and a guy. Jamal and Johari start investigating about the contrabands. Jamal learns that the boys get their contraband from a senior in their school, Hafiz. Meanwhile, Alyssa starts tailing Rahman, a man she suspects might have something to do with Aida's disappearance.

Yusuf informs the customs team to ambush Hafiz's location only to find nothing. With Jamal's cover likely blown, Johari take over and get to the bottom of the case. Jamal who is also working on the missing girls' case grows suspicious of Michael. Alyssa receives a warning from an anonymous caller to stop pursuing the case. Jamal starts tailing Michael with a young girl.

Yusuf shocked to learn of Alyssa's involvement to find Aida. Yusuf and his team are assigned the robbery case. Jamal wonders why Johari can tell that this the work of a group of gang. Johari reconnects with an old friend, Azhar the leader of the Black Cobras.

Johari finally shares his background with Jamal. The partners are finally becoming friends. With Johari's cover blown, Jamal takes over and gets to the bottom of the robbery case. Jamal returns to the scene of the crime. He takes notice of the strained relationship between the shop owner, Uncle Kheng and his son, Eddie. Johari trains Jamal so he can be recruited by The Bros.

Jamal is presented as an unofficial new recruited of the The Bros by Harris. Jamal quickly realizes that in order to be in Mo Razak's favour, he will need to stand out against his rival, Osman. Mo Razak tells an unseen person that the recruit for the The Bros holds a lot of promise and potential. The unseen boss finally steps out of the shadows, and it's none other than Azrul.

Alyssa and Johari continue their efforts to solve the catfishing case. The team successfully nabs the perpetrator. Jamal learns Harris, Imran and Bob are indeed involved with the missing girls. Alyssa starts to open up a little to Johari telling him about Maria. Yusuf heads to his car only to find Maria's earring on his windshield. Yusuf starts looking for his sister.

The team receives a new case. A beautiful celebrity is being blackmailed. Jamal tells Yusuf the location of the kidnapped girls. Yusuf and Chris raid the location but find nothing. Yusuf meets up with Jamal. Unbeknownst to both of them, Mo Razak has witnessed Jamal speaking with Yusuf. Jamal's undercover status has been revealed.

Alyssa and Johari are stunned to see Aida's picture on the dark web. The moment Jamal finds out that it's Aida that's going to be auction off, he immediately contacts Yusuf. He also shares the info about Maria. Yusuf shares this with Johari and Alyssa as he plans to rescue Maria. Jamal is trapped and captured by The Bros.

Because of Yusuf, Azrul's father is arrested. When his mother eventually dies from her illness, that's when he vowed revenge on the man who destroyed his life, Yusuf. Harris attempts to free a grateful Jamal. However, this attempt is thwarted when Mo and several other gang members intervene. A badly beaten Jamal is brought in front of Yusuf. Azrul murders Jamal in front of a shellshocked Yusuf.

Jamal's dead body is found. With Jamal dead and conflicts of interest surround the team, Juliana decides to disband the unit. Yusuf manages to get the assignment Azrul wanted. Yusuf tells Chris about Azrul but when Chris and his team heads over, the office is already empty.

Yusuf is suspicious of Azrul from beginning. He informs Chris and Juliana that he thinks there might be more than meets the eye with Azrul. Azrul is shocked to hear that everything was staged. The team having a memorial for their slain friend Jamal, but it seems that Maria might have some unfinished business.

6 months after capturing Azrul, Yusuf still struggles with the loss of Jamal as the team moves on with a new leader, Natasha, and a new team member, Hasif. Meanwhile, Maria has started working at the law firm, striking a friendship with Benjamin K. The team is called in when a body of a teenage boy is found with the bully as the main suspect.

The case gets more intricate as it unfolds when the principal becomes a prime suspect. Maria continues to visit Azrul in secret as she tries to find a lawyer to help with his case. The divide between the team is apparent as Yusuf clashes with Natasha during their investigation. A discovery leads the team to the killer as they uncover another crime behind the motive.

The team is called in when a series of vandalism has been happening in the same estate. They soon realise there's a message behind the vandals as they narrow down the suspect list to the estate's potential community leader, Joshua Ng. Maria seeks Ben's help with Azrul's case as he weighs his options. She then receives a text from an anonymous person, aware of what she's been up to.

The group of vandals come to a head when they were almost caught by the S.P.Y team. Alyssa catches Maria in a lie as she starts to tail her. With 2 of the vandals caught, Alyssa follows the lead on a new suspect much to Yusuf's chagrin. Although initially hesitant, Azrul finally agrees to let Ben help him with his case as Alyssa confronts Maria.

S.P.Y investigates a case of a missing girl, Calla, a foreign student with no record of leaving the country. Meanwhile Ben continues to be active at the youth home as he suspects something amiss. Tension arises when the case hits close to home with Hasif's brother arrested. The team finally locates Calla, but nothing is what it seems. Azrul receives an unexpected visitor.

The team continues to work on the fraud syndicate case. Hasif sets out on his own investigation after being benched, but he needs Alyssa's help. Ben starts working closely with Azrul on his case as the two build a rapport. He is also trying to find out what's going on at the youth home. Natasha and Yusuf finally put their differences aside. Yusuf is arrested for Jamal's murder

A girl suffers from acid burn injuries as S.P.Y is called into action. Hasif and his brother, Nizam, try to mend their relationship. Yusuf is being questioned as Maria realises her grave mistake in trusting Azrul. Ben refuses to let Maria get in his head as he continues to defend Azrul. The team looks into a suspect for the acid case, Farhan who has ties to Ben's youth home.

Yusuf is finally released from custody as he learns of Azrul's fate. The team starts investigating Access Youth Home after claims of abuse went viral. Maria struggles to move past everything that had happened. Yusuf enlists Ben's help with the youth home investigation while Frances gets to the bottom of things on her own. An elaborate plan helps the team catch the real perpetrator as the new big bad is revealed.

A series of acts of arson set the SPY team off into investigation mode. Rebel youths, a masked figure, a veteran firefighter, and an aged hoarder make up the suspects in the investigations that ensue. Meanwhile Ben provides advice and delicate support to one of his mentees who is behaving dubiously. Hasif struggles to juggle work with handling his teenage brother Nizam who is drifting away from him.

Natasha, Yusuf, Alyssa and Hasif investigate two deaths involving a middle-aged businessman and a young undergraduate. The team then discovers that a group named Anak Merah are involved. Relationship between Hasif & his brother Nizam is on the mend when the team discovers that Nizam is linked to Anak Merah's operations.

Hasif is heartbroken when he learns that Nizam is involved in the case he is investigating. Meanwhile, the team realise that the death of the middle-aged business man and the young undergraduate students may be connected to the same group - Anak Merah.

The team investigates a case where 13 Secondary Schools simultaneously received bomb threats and realise the threats may have originated from someone within the school itself! Meanwhile, Yusuf uncovers something unusual at Ben's therapy sessions.