Smiles by Trials (Rays of Sunshine, #2)

Rhea Josse has unexpectedly found herself in a long-distance relationship with an odd stipulation: her boyfriend wants her sowing oats with somebody else before he's willing to get exclusive with her. She's so crazy about him that climbing into bed with another man proves easier said than done.

When a whirlwind evening of sex with two different partners brings unanticipated consequences for her relationships and job, Rhea must learn to let go of her heartache if she's to find her smile again.