At the 2015 Cottbus World Cup, Plichta finished 4th on vault.[12] Plichta competed at the 2015 European Games with Katarzyna Jurkowska-Kowalska and Gabriela Janik. Plichta only competed on the uneven bars because she dislocated her elbow during the warm-ups on the vault.[2][13] The team finished in 11th in the team competition.[14]
At the 2016 Polish Championships, Plichta won the bronze medal in the all-around behind Katarzyna Jurkowska-Kowalska and Gabriela Janik.[15] She competed at the 2016 European Championships alongside Jurkowska-Kowalska, Janik, Klara Kopeć, and Alma Kuc, and they finished 11th.[16]
Plichta has only competed domestically since 2016. She won a bronze medal in the all-around at the 2017 Polish Championships behind Gabriela Janik and Patrycja Dronia.[17] Then at the 2018 Polish Championships, she only competed on the floor exercise, and she won the silver medal behind Janik.[18] At the 2019 Polish Championships she won the silver medal on vault and floor exercise, and she won the bronze medal on balance beam.[19] Then at the 2020 Polish Championships, she won the bronze medal on the floor exercise.[20]