February 12 is just another day in Sam's charmed life, until it turns out to be her last. Stuck reliving her last day over and over, Sam untangles the mystery around her death and discovers everything she's losing.

Hoping to reconnect with his college buddy, a 30-something businessman drags him along on a road trip.

Six strangers' lives collide in one frenetic, dream-chasing, hopelessly romantic night.

The Naval Criminal Investigation Service's Office of Special Projects takes on the undercover work and the hard to crack cases in LA. Key agents are G. Callen and Sam Hanna, streets kids risen through the ranks.