In the wake of a devastating revelation about Matt, Danny takes Leigh on an all-night walk. Meanwhile, Jules forges a surprising connection with the most unlikely ally.
Danny has disturbing nightmares about his brother, and Leigh can't write her final essay until she gets the truth out of him. Tommy forces Jules to face her deepest fear.
Leigh is surprised to find herself drawn to a stranger and goes on her first date since Matt died. Jules shows up at the wrong location for AA, which leads her on an adventure of her own.
Leigh finds a stray dog, which brings back memories of the dog she shared with Matt. These memories track major milestones of their relationship and provide the clue which lets her unlock Matt's phone passcode.
Upon unlocking Matt's phone, Leigh discovers 17 unheard voice messages. As she delves into them, launching into an episode entirely from Matt's perspective, culminating in the final days of his life.
A surprise discovery about Matt's final week gives Leigh and Danny an opportunity to make Matt's dream come true, but in the process, throws their relationship into jeopardy.