Because of what he'd done, Alex decided to cut funding to Vincenzo's research, which upset him.
After the wedding planner ended up having an allergic reaction to shrimp and was sent to the hospital, the wedding party and guests then boarded a ferry, where Alex and Jo were married by Meredith.
Later that day, she did an ultrasound on Amelia, who hadn't gotten one because she was worried that what happened with Christopher would happen again.