Scott Speedman's character, Nick, returned to Grey's Anatomy to drop an engagement revelation on Ellen Pompeo's Meredith. During the Thursday, January 22, episode of the hit ABC series, Nick and Meredith were waiting for his sister Erica (Brit Morgan) to drop by for a visit. Nick was nervous because his sister previously battled substance abuse issues - but this time she surprised him with a baby. It turned out that Nick's sister secretly welcomed a child, which caused tension between the siblings. They fought over the secret and Erica) left but didn't take her six-week-old son with her.