While attending the university, she did an internship with Liberal Member of Parliament Herb Gray, resulting in a move to Ottawa[8] in 2004,[5] first settling in Vanier.
[4] In 2020, as a member of the Sandy Hill Community Association, Plante began a successful campaign to re-name a neighbourhood park after local artist Annie Pootoogook who had drowned in 2016.
[3] Rideau-Vanier Ward's councillor Mathieu Fleury announced he was not running for re-election in the 2022 Ottawa municipal election, leaving the seat open.
[11] In the campaign, Plante won the endorsement of former Liberal MPP Madeleine Meilleur and former mayor Jacquelin Holzman.
[12] Her main priorities in the election were improving health-care options and attracting new doctors to the ward, by having the city consult with physicians to see how to make the community attractive,[13] opposing more homeless shelters, promotion and protection of the ByWard Market, more affordable housing and making the ward's neighbourhoods safer.