Prim and proper beauty queen Lemon McCoy is at her wit's end when one night of passion leaves her pregnant by Jessamine's favorite ladies' man, Tristan Lawson. Forced to turn to her childhood tormentor in her time of need, she convinces Tristan to marry her to keep the gossip in their small town at bay.
Marine turned hometown librarian Tristan Lawson has secretly loved Lemon McCoy for years but they can't seem to be around each other without trading insults. When Lemon finally spends the night with him, it's a dream come true, and he hopes, the start of something more. But the very next morning they are back to their bickering ways that forces the two apart. Until Lemon confesses that she's pregnant with his baby, giving him a second chance he never expected.
Although Tristan agrees to a marriage of convenience, he is confident he can show Lemon they are right for each other. But can Lemon trust him with her heart, or will their past be too much to overcome?