Sam Atlas's hopes are at an all-time low. She's tired of being the third wheel to her two best friends and her romantic life is nonexistent—until Sam bumps into the fiery and elusive Tamara King, and it changes everything. Sam learns quickly of Tamara's unreliability, and their complicated relationship grows with them as they move towards their thirties.

In her search for closure, Sam's friends support her through comedic rebound dates, defend her many drunken mishaps, and stand by her side right up until the event she never expected she would see—Tamara King's wedding.

Sam learns how first loves often leave scars that are hard to heal, but finds that letting go can bring laughter, heartache, and unexpected love.