The League One side, whose off-field troubles have dominated the headlines in recent weeks, ended a run of three straight defeats with an excellent victory at Stadium:mk.
Fallon, who started the match having recently returned from a loan spell at Ipswich, believes the Pilgrims have now set the standard for the rest of the season.
"I haven't seen us play football like that for a long time," he told The Herald. "It was refreshing to see and it was like I had never been away. The boys are a great bunch. You couldn't fault the effort.
"Everyone gave 100% and pulled their weight. It was brilliant to see and I was just really proud of the lads for the way we played football.
"It's nice to get that winning feeling. Hopefully, we can build on that and, hopefully, we can keep playing football like we did because we played some brilliant stuff."
Source: PA
Source: PA