Bobby travels south with Mel and Krista to buy a new plane and his old life in Vancouver comes back to haunt him.

A routine flight from Watson Lake to Yellowknife turns deadly.

Bobby and Mel fight to protect Nelson from a hitman.

Desperate to find out how his father died, Bobby makes a reckless decision, putting Cece's life at risk.

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

Krista’s SAR crew is pushed to the limit during a high-altitude rescue, while Bobby is the target of an attack in YK.

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

A drug overdose in a remote community leads Bobby and Mel to a disturbing discovery about Arctic Air's involvement.

When disaster strikes, Krista’s SAR team is trapped, and Tag clings to life on the mountain; Bobby and Mel race to save them.

Krista faces a grisly choice when her team attempts a life and death rescue.

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.

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

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

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

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.

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.

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

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

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.

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

Krista's mother pays a visit to Yellowknife and throws Krista's life into turmoil and Bobby gets his first real chance to play "family" with Connor and Petra.

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