Spiky South London boy Maleek is not impressed by new partner Wendy, a middle-aged divorcee who's just moved to the capital.

Maleek reveals his dream of a job in the helicopter service, after meeting arrogant air ambulance paramedic Phil.

Wendy discovers Maleek is a talented singer, but refuses to sing after a traumatic teenage experience, so tries everything she can to hear his voice.

When Maleek bumps into old flame Nicole, a single mum, Wendy sees the chance to get them together - by looking after her son.

Maleek and Wendy are sent out to a school to teach a knife crime awareness workshop - things do not go according to plan. Jo flirts with Lawrence and stonewalls George. Gary and Kareshma are reunited with Tasha.

After their screw-up with the kid, Maleek is punished with pushbike duty, while Wendy has to work under Jo's observation.

With the partnership in tatters, Maleek and Wendy are forced to deliver a baby together on the underground.

George struggles to make a difference at the mental health crime scene that is South Hill, much to Jo's delight. Spencer gets a job at the depot. Darrell faces deportation back to Australia.

Jo hopes for a New Year's Eve kiss from Lawrence. Wendy and Maleek misdiagnose a patient.

Wendy realises she has to address Spencer's poor behaviour when he spends the day on the road with her and Maleek. Jo makes an allegation against George.

Wendy and Maleek work a shift at a football match to take their minds off the upcoming Serious Incident Investigation.

Wendy and Maleek face the Serious Incident Investigation panel - will their friendship survive intact?

Wendy and Maleek find new sources of conflict when they are involved in a malpractice investigation and Wendy's deeply irritating son starts work at the depot.

With Jo away at training, Gary finds himself in charge of the depot. Lawrence decides it's time to make his feelings known.

Maleek struggles in the aftermath of the Serious Incident Investigation, while there's devastating news for Kareshma and Gary.

Darryl and Darrell host a leaving party and the team let their hair down. But it could end in tears.