Qiann Yan wasn't acting out of kindness; she could have just asked anyone for directions to Lihua Village, which wasn't far from Little Stream Village. She'd visited before, given that it was a neighboring village.
She brought Aunt Yun along only to avoid any trouble without a witness. When she had met Ye Qingyuan before, she was more inclined to believe he hadn't cheated, and perhaps this was all orchestrated by Pei QianLann.
Thinking of the consequences for Ye Qingyuan and that female classmate in the original memories, if the two weren't having an affair and were framed by Pei QianLann, they were truly innocent victims.
Pei QianLann could make the original owner fail at everything, doomed for life; framing people was indeed something she'd do.
