They must rely on each other to survive

The Line of Duty - Nichole Severn

When Blackhawk operative Vincent Kalani boarded an airplane, he never expected it to crash into the Alaskan mountains. On the ground, by-the-book police officer Shea Ramsey becomes his unlikely partner in survival. Shea was headed to New York to fight for custody of her son, but now she's fighting for her life with an ex-cop who's equal parts inscrutable and unpredictable.

Trusting a Stranger - Melinda Di Lorenzo

Wanted for murder, Graham Calloway has hidden for years in a remote mountain cabin, desperate to find the killer who framed him. Keira Niles, too, is running from her shattered life when, during a blizzard, Graham pulls her from her wrecked car. Their attraction is instant; mutual trust is not. Then an unforeseen betrayal threatens Keira, causing Graham to risk exposure — and his life — to rescue her and redeem himself.