After her boyfriend's unexpected-with-a-twist wedding proposal to Makenna, nagsimula nang maging isang roller coaster ride ang dating mala-runway niyang buhay. Sa kagustuhan niyang ma-figure out ang kanyang UFO (Unidentified Feeling Overload) na gumugulo sa isipan niya, desperately, sumama siya sa isang taong inaakala niyang complete stranger.And BOOM! Instead of making up her mind, she accidentally fell inlove with Mr. Complete Stranger na mas lalo pang dumagdag sa sanga-sangang problema niya. Soon to find out that that complete stranger was his fiance's younger brother. Would she marry his soon-to-be -husband or let her feelings decide whom to love?