Her best mistake? Widowed civil engineer, Cheryl Whelan, likes to speak her mind. Especially about her annoying tenant, toy designer, Bryant Hill. However, when she says something that causes Bryant's fiancée to dump him, Cheryl scrambles to fix the damage. Her husband's illness left her drowning in debt and she needs the extra income. So she makes Bryant a promise and offers to help him win his ex-fiancée back. But neither can anticipate where one hasty promise will lead them…