Eric Hayes expected a quiet couple weeks of leave before reporting for SEAL training. He arrives at his family home to find the house already occupied by Liam—his younger brother—and Liam's friends from college. Liam thinks Eric would be a good fit with Scott, a childhood friend, but Eric finds himself captivated by another houseguest.

A.H. Shaw is a Ph.D. student, donating his spring break to helping Liam with an engineering project. Shaw's snarky wit and lean good looks capture Eric's attention from the first glance. Eric thrives on challenges, and Shaw is exactly what he's looking for.