Bobby's sister Deanna is arrested for eco-terrorist bombings, but as Bobby works to clear her name, he learns that there's one more bomb and it's been planted on an Arctic Air plane -- with Krista aboard.

A desperate biologist holds Krista and Bobby at gunpoint in the Arctic Air offices, along with a polar bear.

Caitlin is taken, but her kidnappers don't want money - they want Nelson. A multi-screen finale event that will unfold on your TV, desktop and mobile device.

In the series premiere, Bobby's (Adam Beach) return to Yellowknife leaves him torn between money and old friendships, while a dangerous storm forces Mel to ditch his plane in the middle of nowhere.

Petra thinks her ex husband has abducted Connor and enlists Bobby's help to get him back, leaving Krista on the hook to plan a 35th anniversary party for Arctic Air.

Krista and Tag’s relationship is tested when an emergency landing leaves them stranded.

Bobby, Krista and Blake are trapped in an abandoned Dew Line station -- only to find out they're not alone.

A dying trapper gives Dev and Cece the location of a valuable gold claim, setting off a mini gold rush that pits Arctic Air against Bruce Ward and the Comstock Brothers.

While a winter storm hammers Yellowknife, a couples' weekend in Calgary goes sideways after the arrival of Blake's sister and Krista's discovery of Bobby and Petra's kiss.

Bobby convinces a high-rolling college roommate to invest in Arctic Air.

Bobby and Loreen race to save Caitlin when her first solo flight goes dangerously wrong.

A prisoner transport becomes a life and death struggle for Blake and Lindsay, as Krista and Tag reach an impasse in their relationship.

Bobby and Caitlin fly into northern hunting grounds to see Nelson, but a long-awaited brother-sister reunion turns to horror when they learn that Nelson was shot by the very hunters he was hired to guide.

Bobby backs Jim McAllister in a tough-guy boxing tournament as part of a last-ditch bid to save his diamond claim; and Arctic Air falls into crisis when Blake's friend joins the crew.

Bobby must keep troubled rock star Delilah Fury and her comeback tour from falling apart.

Arctic Air launches a search and rescue operation for Dev and Astrid.

Bobby fights against time and politics to evacuate a community before an upstream dam bursts.

A high-stakes plane race raises ghosts from Mel’s past, forcing Krista and Tag to confront a crisis in their relationship.

Bobby fights to save Petra’s life savings when Bruce Ward’s involvement in a business deal causes violence and destruction.

Bobby blames Bruce Ward for his foster sister’s death in a dry community, as Blake and Lindsay pursue a murder suspect.

Bobby and Mel's DC-3 is shot up; Krista and Loreen arrange a burial.

Bobby and Connor’s weekend on the land becomes a fight for survival, while a high altitude flight puts Mel and Krista in peril.

While flying rig workers down for a weekend in YK, an Arctic Air flight is hijacked.

Bobby lies to gain the trust of a Dene elder and friend of his father, but when tragedy strikes, Bobby must trust the elder with his own life.

Bobby and Krista attempt to rescue a group of stranded tourists from a raging forest fire, but they need help from the rest of the Arctic Air crew if they're going to make it out alive.