When Grace O'Brien wakes up next to Bernard-from-IT, she blames the out-of-date bottle of Baileys for making her cheat on her boyfriend of one year, nine months, three weeks and six days. But then she finds she can't get Bernard - geeky dress sense, red hair and all - out of her mind. It gets worse when Grace's best friend falls in love with a blind date - Bernard. Somehow Grace can't help feeling that she's to blame for all this mess. She usually is, after all ...