Last time, Daniel and Mary-Sue worked on repairing their relationship for the sake of the twins. The girls take off for university. Daniel and Mary-Sue both aged up to elder.
Last time, Daniel got busted with Kaylynn. Dan and Mary-Sue put their differences aside long enough to hang out with the girls so that they could at least attempt to get over their mad. Both girls learned to study. Mary-Sue told Dustin to leave her daughter alone, which is probably why Angela chased him around during his house time.
Last time: Daniel knocked up Mary Sue, Kaylynn and Marie Rauscher. Mary Sue gets caught flirting with a married co-worker and eventually gives birth to twin boys.